Mabel Tripp Gardens winter tour– Park personnel take visitors on a five-hour trek around one of our city’s natural botanical marvels, during a time when everything is dead/hibernating, 11 am, $10.

Feb.12ALASUMMIT– Representatives of local chapters of Alanon, Alano, Alateen, Alafam, Alaelderly and Alakidz gather to negotiate an end to the bitter and violent rivalries amongst these groups over the last two years. 6 pm, Constitution Hall, City Hall Annex. Free.

Feb.13 City Orchestra – Debussy’s “Prelude to the Afternoon of a Faun” and “La Mer,” Schubert’s “Symphony in C Major” and selections from James Horner’s score for Ransom. Orchestra Hall, 8 pm. $37.50-$125.